Home / 916,599.62-1,264,921.34-508,727.87

Finding the Fourth Proportional to 916,599.62, 1,264,921.34 and 508,727.87

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Solution

The fourth proportional to 916,599.62, 1,264,921.34 and 508,727.87 is: 702,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,599.62 : 1,264,921.34 = 508,727.87 : x
  2. Step 2: Convert to fraction form
    916,599.62/1,264,921.34 = 508,727.87/x
  3. Step 3: Cross multiply
    916,599.62x = 1,264,921.34 × 508,727.87
  4. Step 4: Simplify right side
    916,599.62x = 643,500,743,449.87
  5. Step 5: Solve for x
    x = 643,500,743,449.87/916,599.62
  6. Step 6: Final answer
    x = 702,052.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.